26851760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25819}}^1$

素因数の和:25845

約数の個数: 40

約数和(自身を含む): 67235280

約数和(自身を除く): 40383520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 25819, 51638, 103276, 129095, 206552, 258190, 335647, 413104, 516380, 671294, 1032760, 1342588, 1678235, 2065520, 2685176, 3356470, 5370352, 6712940, 13425880, 26851760]

約数ペア:

[(1, 26851760), (2, 13425880), (4, 6712940), (5, 5370352), (8, 3356470), (10, 2685176), (13, 2065520), (16, 1678235), (20, 1342588), (26, 1032760), (40, 671294), (52, 516380), (65, 413104), (80, 335647), (104, 258190), (130, 206552), (208, 129095), (260, 103276), (520, 51638), (1040, 25819)]